The Ch GMP package is a Ch interface to the GNU Multiple Precision Arithmetic Library (GMP).
GMP is a free library for arbitrary precision arithmetic, operating on
signed integers, rational numbers, and floating point numbers. There is
no practical limit to the precision except the ones implied by the
available memory in the machine GMP runs on. GMP has a rich set of
functions, and the functions have a regular interface.
With the Ch GMP package, all C (or C++) programs using functions from the GMP C library can readily run in Ch interpretively without compilation.